69680405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{4451}}^1$

素因数の和:4588

約数の個数: 16

約数和(自身を含む): 87187968

約数和(自身を除く): 17507563

約数列:

[1, 5, 31, 101, 155, 505, 3131, 4451, 15655, 22255, 137981, 449551, 689905, 2247755, 13936081, 69680405]

約数ペア:

[(1, 69680405), (5, 13936081), (31, 2247755), (101, 689905), (155, 449551), (505, 137981), (3131, 22255), (4451, 15655)]